Poor serum uric acid control increases risk for developing hypertension: a retrospective cohort study in China
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SUBMITTER: Lin Z
PROVIDER: S-EPMC10864606 | biostudies-literature | 2024 Jan
REPOSITORIES: biostudies-literature
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Project description:Serum uric acid (sUA) has been associated with cardiovascular risk. Although the recent mechanistic hypothesis poses the basis for the association between sUA and left ventricular mass index (LVMi), the issue remains poorly investigated in a clinical setup. Through a retrospective analysis of the database of the departmental Hypertension Clinic of University Hospital of Salerno Medical School, we identified 177 essential hypertensives (age 60.3 ± 13.3 years; 85 men), free from uric acid-modulating medications and severe chronic kidney disease, and whose sUA values, anthropometric, clinical, and echocardiographic data were available. In the studied cohort, the average duration of hypertension was 8.4 ± 7.1 years. LVMi associated with classical determinants, such as age, blood pressure, and kidney function, although after multivariate correction, only age remained significant. Also, sUA correlated positively with LVMi, as well as body size, metabolism, and kidney function. In a multivariate analysis, sUA confirmed the independent association with LVMi. Also, levels of sUA >5.6 mg/dl are associated with larger cardiac size. We confirmed our data in a replicate analysis performed in a larger population (1,379 hypertensives) from an independent clinic. Our results demonstrate that sUA increases with LVMi, and a cutoff of 5.6 mg/dl predict larger LV sizes. Our data suggest that hyperuricemia might help to stratify the risk of larger cardiac size in hypertensives.
| S-EPMC7725708 | biostudies-literature
Project description:BackgroundThis cross-sectional study aimed to investigate the correlation between serum uric acid (SUA) levels and the incidence of sex-specific high blood pressure in East China.MethodsA total of 27,075 patients (14,399 males and 12,676 females) were enrolled in this study. The participants were grouped based on their SUA levels. Thereafter, the quartile (Q1-Q4) nodes of male SUA and female SUA were calculated based on the differences in the mean values of male and female SUA levels. The odds ratio (OR) and 95% confidence interval (CI) were calculated to evaluate the correlation between SUA and high blood pressure incidence.ResultsSUA expression levels were higher in males than in females. High SUA levels in males were positively correlated with hypertension. In females, high SUA levels were positively correlated with both hypertension and diabetes. After adjusting for confounding risk factors, SUA was confirmed as an independent risk factor for high blood pressure among males. Additionally, significant differences were observed between SUA and high blood pressure in body mass index (BMI) as well as diabetes subgroup analysis among males. There was a sex-specific correlation between SUA, high diastolic blood pressure (DBP), and high systolic blood pressure (SBP). Finally, there was a linear dose-response relationship between SUA and high blood pressure in males.ConclusionSUA is an independent risk factor for the incidence of high blood pressure after adjustment for other potential confounding risk factors in males. Sex-specific differences were also observed between SUA levels and high DBP or SBP.
| S-EPMC11895223 | biostudies-literature
Project description:ObjectivesThis paper aims to evaluate the association between serum uric acid (SUA) levels, arterial hypertension (HT) prevalence, blood pressure values control, kidney function and intima media thickness (IMT), as a surrogate marker of early atherosclerosis, in a representative group of Romanian adult population.Materials and methodsThe study sample consists in 1920 adults included in SEPHAR III (Study for the Evaluation of Prevalence of Hypertension and cArdiovascular Risk in Romania) survey (mean age 48.63 years, 52.76% females) collecting data for SUA levels, blood pressure (BP) measurements, kidney function by estimated glomerular filtration rate (eGFR) and carotid IMT. SUA levels between 2,40-5,70mg/dl in females and 3,40-7,00mg/dl in males respectively were considered normal. HT and HT control were defined according to the current guidelines. IMT evaluation was assessed by B-mode Doppler ultrasound evaluation.ResultsHypertensive subjects had significantly higher values of SUA compared with normotensive subjects, hypertensive patients were 1.713 times more likely to have higher values of SUA. Among treated hypertensive patients, those without optimal BP control had significantly higher SUA levels compared with those with optimal BP control, the presence of hyperuricemia increasing the odds of suboptimal BP control by 1.023. Hyperuricemic subjects had significantly lower eGFR values compared with normouricemic ones, on an average with 14.28ml/min/1.73m2 by Modification of Diet in Renal Disease formula (MDRD) and with 16.64ml/min/1.73m2 by Chronic Kidney Disease Epidemiology Collaboration formula (CKD-EPI), with an indirect association between SUA levels and eGFR values (rs = -0.319 / -0.347), independent of age. IMT values recorded in hyperuricemic subjects were significantly increased, on an average with 0.08mm, compared with normouricemic subjects, with a direct association between SUA levels and IMT values (rs = 0.263), independent of BP values.ConclusionThe results of our study offers support that increased SUA levels are associated with arterial hypertension and with suboptimal BP control in treated hypertensive subjects. The decline in kidney function, independent of age, and also increased IMT values as a marker of atherosclerosis, were also correlated with elevated SUA values. Hyperuricemia screening may have a role in identifying patients at risk of developing HT and lowering SUA levels may improve not only BP control in treated HT patients but also decrease total cardiovascular mortality by slowing the progression of atherosclerosis and renal failure in hypertensive patients.
| S-EPMC6028095 | biostudies-literature
Project description:BackgroundThere are inconsistent findings on the role of hyperuricemia as an independent risk factor for chronic kidney disease (CKD). Hypertension has been implicated as a factor influencing the association between serum uric acid and CKD. In this population-based study we investigated the association between serum uric acid and decline in renal function and tested whether hypertension moderates this association.MethodsWe included 2601 subjects aged 55 years and over from the Rotterdam Study. Serum uric acid and estimated glomerular filtration rate (eGFR) were assessed at baseline. After average 6.5 years of follow-up, second eGFR was assessed. CKD was defined as eGFR<60 ml/min/1.73 m(2). All associations were corrected for socio-demographic and cardiovascular factors.ResultsEach unit (mg/dL) increase in serum uric acid was associated with 0.19 ml/min per 1.73 m(2) faster annual decline in eGFR. While the association between serum uric acid and incidence of CKD was not significant in our study population (Hazard Ratio: 1.12, 95% confidence interval [CI]: 0.98-1.28), incorporating our results in a meta-analysis with eleven published studies revealed a significant association (Relative Risk: 1.18, 95%CI: 1.15-1.22). In the stratified analyses, we observed that the associations of serum uric acid with eGFR decline and incident CKD were stronger in hypertensive subjects (P for interaction = 0.046 and 0.024, respectively).ConclusionsOur findings suggest that hyperuricemia is independently associated with a decline in renal function. Stronger association in hypertensive individuals may indicate that hypertension mediates the association between serum uric acid and CKD.
| S-EPMC3827035 | biostudies-literature
Project description:ObjectiveTo evaluate the associations between serum uric acid (SUA) levels and cardiovascular disease (CVD) risk factors, focusing on potential sex-specific differences.DesignA retrospective cohort study.SettingA large community-based survey was conducted every two years from 2010 to 2018 in Hangzhou, Zhejiang Province, outheastern China.Participants6119 participants aged 40 years and above who underwent at least three times of physical examinations were enrolled.MethodsParticipants were categorised into four groups (Q1-Q4) based on baseline SUA quartiles within the normal range, with hyperuricaemia (HUA) as the fifth group. The Q1 was the reference. By stratifying participants by gender, the relationships between SUA levels and systolic blood pressure (SBP), diastolic blood pressure (DBP), fasting blood glucose (FBG) and total cholesterol (TC) were investigated using linear regression models in the generalised estimating equation. Additionally, the associations of elevated SUA levels and HUA with hypertension, hyperglycaemia and dyslipidaemia were correspondingly examined using multivariate logistic regression models.ResultsAfter adjusting for confounding variables, we found positive associations between SUA levels and SBP, DBP, FBG and TC in women, and with TC in men (p<0.01). Likewise, elevated SUA quartiles and HUA were linked to increased dyslipidaemia risk in both sexes, and increased hyperglycaemia risk only in women, with HRs (95% CI) of 1.64 (1.05 to 2.55) and 2.37 (1.47 to 3.81) in the Q4 and HUA group, respectively. Women with HUA had higher hypertension risk (HR=1.45, 95% CI 1.21 to 1.73), while no such association was observed in men. Stratified analyses revealed significant associations between elevated SUA levels and CVD risk factors in postmenopausal and non-obese women.ConclusionsElevated SUA levels increase the risk of dyslipidaemia in both sexes. SUA levels within normal range and HUA are positively associated with hyperglycaemia and hypertension in postmenopausal women, but not in men.
| S-EPMC10537982 | biostudies-literature
Project description:BackgroundWhether there is an association between serum uric acid (SUA) level and risk of mortality in the general population remains unclear. Based on the China National Survey of Chronic Kidney Disease linked to mortality data, a population-based cohort study was performed to investigate the association between SUA level and all-cause mortality, cardiovascular disease (CVD) mortality, and cancer mortality in China.MethodsThe survival status of participants in the cross-sectional survey was identified from January 1, 2006 to December 31, 2017. Only 33,268 individuals with complete SUA data among the 47,204 participants were included in the analysis. We determined the rates of all-cause mortality, CVD mortality, and cancer mortality. We used Cox proportional hazards regression models to evaluate the effect of the SUA level on mortality.ResultsDuring a total of 297,538.4 person-years of follow-up, 1282 deaths occurred. In the Cox proportional hazards regression model, the rate of all-cause mortality, CVD mortality, and cancer mortality had a U-shaped association with SUA levels only in men, whereas no significant associations were detected in women. For all-cause mortality in men, the multivariable-adjusted hazard ratios (HRs) in the first, second, and fourth quartiles compared with the third quartile were 1.31 (95% confidence interval [CI] 1.04-1.67), 1.17 (95% CI 0.92-1.47), and 1.55 (95% CI 1.24-1.93), respectively. For CVD mortality, the corresponding HRs were 1.47 (95% CI 1.00-2.18), 1.17 (95% CI 0.79-1.75), and 1.67 (95% CI 1.16-2.43), respectively. For the cancer mortality rate, only a marginally significant association was detected in the fourth quartile compared with the third quartile with an HR of 1.43 (95% CI 0.99-2.08).ConclusionsThe association between SUA and mortality differed by sex. We demonstrated a U-shaped association with SUA levels for all-cause and CVD mortalities among men in China.
| S-EPMC8439999 | biostudies-literature
Project description:Serum uric acid level has been found to be associated with cerebrovascular diseases. However, whether serum uric acid level is a risk factor for arterial stiffness in the hypertension population is unclear. This study was designed to determine the relationship between serum uric acid level and arterial stiffness in the hypertension population. A total of 10450 participants were evaluated for the risk of arterial stiffness. Brachial-ankle pulse wave velocity (baPWV) was assessed, and high baPWV was determined as the highest quartile of baPWV values in a sex-specific manner. We evaluated the association between serum uric acid level and baPWV through multivariate-adjusted linear and logistic regression analyses. There was a significant difference on high baPWV between patients with quartiles of serum uric acid level in females and males (p<0.01), respectively. The odds ratios (95% CI) of the highest baPWV quartile across the sex-specific serum uric acid level were 1.0, 1.71 (1.35, 2.17), 1.75 (1.38, 2.23), and 1.95 (1.51, 2.51) in female, and 1.0, 1.33 (1.09, 1.64), 1.36 (1.11, 1.67), and 1.67 (1.36, 2.04) in male after adjusting for potential confounders. In conclusion, serum uric acid level could be considered as an important risk factor for arterial stiffness in Chinese hypertension population.
| S-EPMC7425441 | biostudies-literature
Project description:BackgroundNon-alcoholic fatty liver disease (NAFLD) has become the most prevalent chronic liver disease among adults. High uric acid (UA) increases the incidence of NAFLD in the general population. However, further exploration is warranted to determine the relationship between UA levels and NAFLD in various populations. We conducted a historical cohort study to investigate the causality between UA and NAFLD across different weight categories.MethodsA historical cohort was established from the Jidong community cohort. All participants were enrolled and followed up from July 1st, 2013 to August 1st, 2018. The study participants were retrospectively assigned to four groups according to their UA levels (Q1, 69-210 μmol/L; Q2, 211-255 μmol/L; Q3, 256-310 μmol/L; Q4, 311-593 μmol/L). The NAFLD incidence was investigated in each group. We used the UA level determined by an automatic analyzer. NAFLD was diagnosed with abdominal ultrasonography examination. Demographic information, lifestyle history, clinical anthropometric data, and blood samples of participants were collected. Univariate analysis and multivariable Cox regression were applied to analyze the relationship between UA and NAFLD by stratification of participants' body mass index (BMI) categories (underweight, normal weight, overweight, and obese).ResultsTwo thousand nine hundred eighty four participants were enrolled. 740 (24.8%) were assigned to UA Q1 group, 755 (25.3%) to UA Q2, 743 (24.9%) to UA Q3, and 746 (25.0%) to UA Q4. The global incidence of NAFLD was 26.0% (777/2984). The risk of NAFLD significantly increased with elevated UA levels in underweight and normal-weight participants (HR = 3.498, 95% CI: 2.413-5.072, P < 0.05). In multivariable analysis, UA showed a positive association with NAFLD, independent of other risk factors in underweight and normal-weight participants (UA Q2: 1.152 (0.761-1.743), UA Q3: 2.168 (1.489-3.157), UA Q4: 3.075 (2.103-4.196), P < 0.05). In the absence of other risk factors, high UA levels independently explained 17% of NAFLD risk in underweight and normal-weight participants.ConclusionsHigh UA levels serve as an independent risk factor for NAFLD in underweight and normal-weight individuals, highlighting the necessity of early NAFLD screening through monitoring liver function and UA levels, and personalized treatment plans for NAFLD patients with higher UA levels, which may include uric acid-lowering therapy and lifestyle modifications. However, the relationship between UA levels and NAFLD in overweight and obese individuals remains inconclusive.
| S-EPMC11843771 | biostudies-literature
Project description:Background: Previous studies have clarified the relationship between serum uric acid (SUA) and hypertension; most of previous studies suggest that elevated uric acid levels are associated with an increased risk of hypertension, while in China, there are relatively few studies to explore above association. The objective of this longitudinal study is to investigate the correlation of SUA and hypertension in Chinese adults with a nationwide large-scale sample. Methods: Data from the China Health and Nutrition Survey 2009, 2011, and 2016 were used; a total of 8,469 participants (3,973 men and 4,496 women) were involved. This study was conducted separately by gender. Clinical characteristics of the participants among different uric acid groups are compared. The binary logistic regression analysis was conducted to examine the association between SUA and hypertension. Restricted cubic spline analysis with three knots of the SUA concentration were used to characterize the dose-response relationship. Additionally, we compared the incidence of hypertension in the different baseline uric acid groups during follow-up in 2011 and 2015. Results: After the covariates were fully adjusted, we found that elevated uric acid levels were correlated with increased risk of hypertension in both males (p < 0.01) and females (p < 0.01). With 2-year or 6-year of follow-up, we found participants with higher baseline uric acid levels had a higher incidence of hypertension (p < 0.01). In stratified analysis by obesity, above relationship remained significant in nonobesity population (males: p < 0.05, females: p < 0.01) and became nonsignificant in obesity people. In stratified analysis by age, above positively correlation remained significant in middle-aged men (p < 0.05) and elderly women (p < 0.01). Restricted cubic spline revealed the dose-response relationship between SUA and hypertension; we also found that above relationship was much stronger in females. Conclusion: This study suggests that elevated SUA levels might be positively associated with an increased risk of hypertension in general Chinese adults.
| S-EPMC8766717 | biostudies-literature
Project description:BackgroundHyperuricemia has been proposed to be a risk factor for cardiovascular disease and chronic kidney disease. Since diabetes is often complicated by hypertension and hyperuricemia, efficient therapeutic strategy against these two complications is very important in diabetic treatment. It has been reported that the antihypertensive drug, irbesartan, inhibits the renal uric acid reabsorptive transporters, URAT1 and GLUT9; this result suggests that irbesartan decreases serum uric acid level (SUA).Subjects and methodsA retrospective study of 107 patients with hypertension and diabetes was performed to analyze the effects of irbesartan on blood pressure, estimated glomerular filtration rate (eGFR), and SUA. The follow-up period was 6-12 months. Seventy percent of the patients were diagnosed with diabetic nephropathy stage II-IV. We excluded patients treated with drugs that influenced SUA. The multiple logistic regression analysis was introduced to identify the relative factors for SUA decline. The time-dependent SUA changes were examined in a mixed-linear model.ResultsIrbesartan reduced blood pressure significantly after 1, 6, and 12 months' treatment. No subject showed significant change in eGFR from baseline level throughout the period. The multiple logistic regression analysis revealed that SUA baseline significantly influenced SUA decline after 6-12 months. In patients whose SUA baseline was ≥5.9 mg/dL, the SUA was significantly decreased from 6.6±0.16 mg/dL to 6.2±0.16 mg/dL (P=0.010), after 12 months' irbesartan treatment. In the SUA baseline <5.9 mg/dL group, the SUA did not show significant change over the monitoring period.ConclusionOur results demonstrate that irbesartan reduces the risk of hyperuricemia. No decline in renal function was observed after the initiation of irbesartan treatment. The present report determines the criteria of SUA baseline for introducing an antihyperuricemic effect using irbesartan. Its antihypertensive effect coupled with SUA decline would be effective for the treatment of hypertension complicated by hyperuricemia.
| S-EPMC4014383 | biostudies-literature